private Manifest _calculateManifest(URL url, Manifest manifest) {
Analyzer analyzer = new Analyzer();
Jar jar = null;
try {
URLConnection urlConnection = url.openConnection();
String fileName = url.getFile();
if (urlConnection instanceof JarURLConnection) {
JarURLConnection jarURLConnection = (JarURLConnection) urlConnection;
URL jarFileURL = jarURLConnection.getJarFileURL();
fileName = jarFileURL.getFile();
}
File file = new File(fileName);
if (!file.exists() || !file.canRead()) {
return manifest;
}
fileName = file.getName();
analyzer.setJar(new Jar(fileName, file));
jar = analyzer.getJar();
String bundleSymbolicName = fileName;
Matcher matcher = _bundleSymbolicNamePattern.matcher(bundleSymbolicName);
if (matcher.matches()) {
bundleSymbolicName = matcher.group(1);
}
analyzer.setProperty(Analyzer.BUNDLE_SYMBOLICNAME, bundleSymbolicName);
String exportPackage = _calculateExportPackage(jar);
analyzer.setProperty(Analyzer.EXPORT_PACKAGE, exportPackage);
analyzer.mergeManifest(manifest);
String bundleVersion = analyzer.getProperty(Analyzer.BUNDLE_VERSION);
if (bundleVersion != null) {
bundleVersion = Builder.cleanupVersion(bundleVersion);
analyzer.setProperty(Analyzer.BUNDLE_VERSION, bundleVersion);
}
return analyzer.calcManifest();
} catch (Exception e) {
_log.error(e, e);
return manifest;
} finally {
if (jar != null) {
jar.close();
}
analyzer.close();
}
}
